Confidence: Medium · Source: FCC ULS · As of 2026-09-10

KJ4UAB

Cancelled

Mathews, John A

Location: Loudon, TN
Class: General
Granted: 2010-03-12
Expires: 2020-03-12
Previous call: KJ4SZF
FRN: 0019636034

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Vanity availability

Available

Available now

KJ4UAB cleared its 2-year hold on 2012-05-03. Eligible for vanity application.

Last held by Mathews, John A (TN).

Confidence: High

Cancelled licenses begin the 2-year hold immediately, so this date is the firm release date per §97.19. Already past — fileable subject to FCC verification.

Callsign genealogy

Full chain →

Previously held by current licensee

KJ4SZFcancelled· G
Mathews, John ATNgranted 2010-03-12cancelled 2010-04-08

Prior holders later became

K1MTTactive· G
Mathews, John ATNgranted 2020-02-06

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with KJ4

All →

KJ4ZTP WA · 2026-09-13
KJ4RVA FL · 2026-10-11
KJ4ZQX SC · 2026-10-29
KJ4AAD GA · 2026-11-05
KJ4RZZ FL · 2026-11-08

Full history → Vanity availability → Callsign genealogy →